Combined smoke gasket and intumescent expanding seal device for swinging doors



FIG. 1 is a front perspective view, viewed from above, of a combined smoke gasket and intumescent expanding seal device for swinging doors, showing my new design;

FIG. 2 is a rear perspective view thereof, viewed from above; and

FIG. 3 is a horizontal sectional view thereof, taken along lines 3--3 of FIG. 1, the broken line showing of part of a door, door jamb and stop is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a combined smoke gasket and intumescent expanding seal device for swinging doors, substantially as shown and described. 